Greenville is located in Illinois. Greenville, Illinois has a population of 6,676. Greenville is less family-centric than the surrounding county with 29.34% of the households containing married families with children. The county average for households married with children is 30.56%.
The median household income in Greenville, Illinois is $45,961. The median household income for the surrounding county is $53,654 compared to the national median of $69,021. The median age of people living in Greenville is 38.7 years.
The average high temperature in July is 87.7 degrees, with an average low temperature in January of 20.8 degrees. The average rainfall is approximately 41.3 inches per year, with 12.4 inches of snow per year.
